Home / 87,608,321.52-120,862,952.64-50,429,706

Finding the Fourth Proportional to 87,608,321.52, 120,862,952.64 and 50,429,706

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Solution

The fourth proportional to 87,608,321.52, 120,862,952.64 and 50,429,706 is: 69,571,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,608,321.52 : 120,862,952.64 = 50,429,706 : x
  2. Step 2: Convert to fraction form
    87,608,321.52/120,862,952.64 = 50,429,706/x
  3. Step 3: Cross multiply
    87,608,321.52x = 120,862,952.64 × 50,429,706
  4. Step 4: Simplify right side
    87,608,321.52x = 6,095,083,167,927,124
  5. Step 5: Solve for x
    x = 6,095,083,167,927,124/87,608,321.52
  6. Step 6: Final answer
    x = 69,571,966.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.